:root {
    --body-color: #212121;
}
html,body {
    height: 100vh;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    background-color: var(--body-color);

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
